期刊
CARTOGRAPHIC JOURNAL
卷 47, 期 4, 页码 315-322出版社
TAYLOR & FRANCIS LTD
DOI: 10.1179/000870410X12911304958827
关键词
volunteered geographical information; OpenStreetMap; Linus' Law; spatial data quality; positional accuracy
类别
In the area of volunteered geographical information (VGI), the issue of spatial data quality is a clear challenge. The data that are contributed to VGI projects do not comply with standard spatial data quality assurance procedures, and the contributors operate without central coordination and strict data collection frameworks. However, similar to the area of open source software development, it is suggested that the data hold an intrinsic quality assurance measure through the analysis of the number of contributors who have worked on a given spatial unit. The assumption that as the number of contributors increases so does the quality is known as 'Linus' Law' within the open source community. This paper describes three studies that were carried out to evaluate this hypothesis for VGI using the OpenStreetMap dataset, showing that this rule indeed applies in the case of positional accuracy.
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